Home / 7,376.69-11,059.02-3,430.43

Finding the Fourth Proportional to 7,376.69, 11,059.02 and 3,430.43

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Solution

The fourth proportional to 7,376.69, 11,059.02 and 3,430.43 is: 5,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.69 : 11,059.02 = 3,430.43 : x
  2. Step 2: Convert to fraction form
    7,376.69/11,059.02 = 3,430.43/x
  3. Step 3: Cross multiply
    7,376.69x = 11,059.02 × 3,430.43
  4. Step 4: Simplify right side
    7,376.69x = 37,937,193.98
  5. Step 5: Solve for x
    x = 37,937,193.98/7,376.69
  6. Step 6: Final answer
    x = 5,142.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.